Wan Connection; Atm Connection - Hitachi GR2000 Series Installation Manual

2.5.2.2

WAN Connection

The following WAN connections are possible:
Leased line connection
Connects to a leased line via modem.
Device
Highspeed digital line connection
Connects to a highspeed digital leased line via DSU.
Device
Frame relay network connection
Connects to a frame relay network via DSU.
Device
Ultrahighspeed digital line connection
Connects to a ultrahighspeed digital line via DSU.
Device
ISDN Network Connection
Connects to an ISDN network via DSU.
Device
2.5.2.3

ATM Connection

Connects to ATM Service via DSU/ONU.
Device
GR2K-GA-1002
Rev 6.03
M Leased Line
DSU
Highspeed Digital Line
DSU
Frame Relay Network
DSU
Ultrahighspeed Digital Line
DSU
ISDN Network
DSU/ONU
ATM Service
Product Overview
M Device
DSU
Device
DSU
Device
DSU
Device
DSU
Device
DSU/ONU
Device
M Modem
2-45